Hose.



No. 884,634. PATENTED APR. 14, 1908.- 'H.TLBRAGG. HOSE.

APPLICATION FILED FEB. 15. 1906- WITRESSEI. hIIFfl/ill V W HENRY T.BRAGG, OF YONKERS, NEW. YORK.

HOSE

Specification of Letters Patent.

Patented April 14, 1908.

Application filed February 15, 1906. Serial No. 301,143.

To all whom it may concern:

Be it known that I, HENRY T. BRAGG, a citizen of the UnitedStates, andresident of Yonkers, in the county of IVestchester and State of NewYork, have invented a new and useful Improvement in Hose, of which thefollowing 1s a specification.

The object of my present invention is to provide certain improvements inhose whereby a continuous wrapping strip may be incorporated therein,the side portions of such strip being formed thinner than theintermediate portion thereof so that when the strip is Wrapped aroundthe hose, the thinner side portions of the strip which overlap eachother will make up substantially the. thickness of the intermediateportion whereby a continuous wrapper is formed of substantially the samethic iness throughout.

A further object is to provide a hose of the above character in whichthe wrapping strip is formed of a fiat knitted fabric the intermediateportion of which is closely knitted and the side portions are looselyknitted so that the results set forth may be accomplished, the Wrapperat the same time permitting a hose to be made which will be veryflexible and in which the liability of bursting under great strain ismaterially reduced.

It has been usual in making various kinds of hose which is formed inpart of rubber, to use a woven fabric cut on the bias, the said fabricbeing wrapped around an inner rubber tube, the side portions and theends of the bias strips being caused to overlap. This construction givesrise to an uneven wra ping of the hose in which leaks are frequentFyoccurring owing to the fact that the bias strips must be necessarilyshortas they are limited in length to the diagonal distance across acertain width of woven fabric.

In the accompanying drawing the illustration shows a section of hosewith one layer of my improved wrapping strip applied thereto,

the outer cover 0 the hose being broken away to more clearly show saidwrapping strip in its position within the hose.

The inner tube of the hose is denoted by 1 and the outer tube is denotedby 2. The wrapping strip which is shown in the present instance ascomprising a single layer consists of a strip of flat knitted fabric theside portions 3 and 4 of which are knitted thinner than the intermediateportion 5. In the method of Winding shown in the accompanying drawings,the thinner side portion 3 is caused to overlap the thinner side portion4 as the strip is wound spirally along the hose, thus producing an evenouter surface free from ridges, the overlapping side portions 3 and 4together being of sufficient thickness to correspond with the thicknessof the intermediate portion 5.

Itis to be understood that the hose may have incorporated therein anynumber of layers of my improved Wrapping strip, the winding of one layereither being the reverse to the Winding of another layer or in the samedirection in staggered order for the purpose of breaking seams.

A hose constructed as herein described would be well adapted for highpressure work, such, for instance, as the air brake hose in railwayservice.

What I claim as my invention is:

1. A hose having a wrapping strip composed entirely of fabricincorporated therein comprising a thicker intermediate portion andthinner side portions, the side portions being overlapped to conform inthickness to the thicker intermediate portion, thereby forming acontinuous wrapper of substantially the same thickness throughout.

2. A hose having a wrapping strip of knitted fabric incorporated thereincomprising a closely knitted intermediate portion and loosely knittedside portions, the side portions being overlap ed to conform inthickness to the thicker intermediate portion thereby forming acontinuous wrapper of substantially the same thickness throughout.

8. A hose having a wrapping strip of fiat knitted fabric comprising aclosely knitted intermediate portion and loosely knitted side portions,the side portions being overlapped to conform in thickness to thethicker intermediate portion thereby forming a continuous wrapper ofsubstantially the same thickness throughout.

In testimony, that I claim theforegoing as my invention I have signed myname in presence of two witnesses, this 10th ebruary 1906.

HENRY T. BRAGG.

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